The Dexes / Satellite Decay / 66772
CelestialObjectDex · Satellite Decay
IHI-SAT2
66772 · 2026-04-03T11:27:22Z
Fixes
234
Observations
234
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:27:22.293504+00:00 |
|---|---|
| end_utc | 2026-08-23T22:32:40.295328+00:00 |
| family | celestialdex |
| norad_id | 66,772 |
| object_name | IHI-SAT2 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.424 |
| n_snaps | 234 |
| span_days | 142.462 |
| mean_motion_first | 15.205 |
| mean_motion_last | 15.222 |
| delta_mean_motion | 0.017 |
| altitude_first_km | 504.272 |
| altitude_last_km | 499.255 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.036 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-04-03T11:27:22.293504+00:00 |
| last_utc | 2026-08-23T22:32:40.295328+00:00 |
| last_fix_utc | 2026-08-23T22:32:40.295328+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:27:22.293504+00:00","mean_motion":15.20519751,"altitude_km":504.272,"eccentricity":0.00029753,"inclination_deg":97.427},{"utc":"2026-04-03T17:46:25.838976+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66772.json